• If your car has Logic 7 system, or factory car radio plug has fiber optic input WITHOUT 8 speakers cables as shown below, A0581 decoder box is required for installation.  If your factory car radio plug has fiber optic input with 8 speakers cables as shown on the left, then it’s applicable to your car, and no need A0581 decoder box.
  • Note: Please make sure the car fiber optic connector is working properly before installation.  
  • Installation Steps
  • 1. Take the black plug out of the decoder box, and remove the plastic protective cover from the plug.
  • 2. Connect the factory car fiber optic interface to the black plug, and then reinsert the plug to decoder box.

    • Optical Fiber Decoder Box For BMW E90-E93 Car Stereo Logic 7 A0581 Radio Optic l

    If your car has Logic 7 system, or factory car radio plug has fiber optic input WITHOUT 8 speakers cables as shown below, A0581 decoder box is required for installation.

    If your factory car radio plug has fiber optic input with 8 speakers cables as shown on the left, then it’s applicable to your car, and no need A0581 decoder box.

    Note: Please make sure the car fiber optic connector is working properly before installation.
     

    Installation Steps

    1. Take the black plug out of the decoder box, and remove the plastic protective cover from the plug.

    2. Connect the factory car fiber optic interface to the black plug, and then reinsert the plug to decoder box.

    3. Connect the decoder’s ACC, GND and BATT cables to the same cables of your car. And connect the White & Red RCA interfaces to the audio output interfaces of car stereo.

    5. Installation completed.

    ​



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    If your car has Logic 7 system, or factory car radio plug has fiber optic input WITHOUT 8 speakers cables as shown below, A0581 decoder box is required for installation.

    If your factory car radio plug has fiber optic input with 8 speakers cables as shown on the left, then it’s applicable to your car, and no need A0581 decoder box.

    Note: Please make sure the car fiber optic connector is working properly before installation.
     

    Installation Steps

    1. Take the black plug out of the decoder box, and remove the plastic protective cover from the plug.

    2. Connect the factory car fiber optic interface to the black plug, and then reinsert the plug to decoder box.

    3. Connect the decoder’s ACC, GND and BATT cables to the same cables of your car. And connect the White & Red RCA interfaces to the audio output interfaces of car stereo.

    5. Installation completed.

    ​

    Optical Fiber Decoder Box For BMW E90-E93 Car Stereo Logic 7 A0581 Radio Optic l



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